Home / 112,317.12-168,436.80-62,472.96

Finding the Fourth Proportional to 112,317.12, 168,436.80 and 62,472.96

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Solution

The fourth proportional to 112,317.12, 168,436.80 and 62,472.96 is: 93,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,317.12 : 168,436.80 = 62,472.96 : x
  2. Step 2: Convert to fraction form
    112,317.12/168,436.80 = 62,472.96/x
  3. Step 3: Cross multiply
    112,317.12x = 168,436.80 × 62,472.96
  4. Step 4: Simplify right side
    112,317.12x = 10,522,745,468.93
  5. Step 5: Solve for x
    x = 10,522,745,468.93/112,317.12
  6. Step 6: Final answer
    x = 93,687.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.